[gnome-builder] egg-task-cache: use a stricter assertion for the GCancellable

[Christian Hergert <chergert src gnome org>]

commit 5ad9526ce03db9578a262d9f7fa34ccb8d5da3c2
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Mar 7 10:43:21 2017 +0100

    egg-task-cache: use a stricter assertion for the GCancellable
    
    The GCancellable that emitted "cancelled" should be the same as the one
    in CancelledData, and it can't be NULL.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=779660

 contrib/egg/egg-task-cache.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/contrib/egg/egg-task-cache.c b/contrib/egg/egg-task-cache.c
index 716fd3f..48e7c45 100644
--- a/contrib/egg/egg-task-cache.c
+++ b/contrib/egg/egg-task-cache.c
@@ -487,7 +487,7 @@ egg_task_cache_cancelled_cb (GCancellable *cancellable,
   g_assert (EGG_IS_TASK_CACHE (self));
   g_assert (data != NULL);
   g_assert (data->self == self);
-  g_assert (!data->cancellable || G_IS_CANCELLABLE (data->cancellable));
+  g_assert (data->cancellable == cancellable);
 
   data->cancelled_id = 0;